EBC 80mm x 17mm brake shoes for several Yamaha bikes.
These fit front and rear for Yamaha QT50, PW50, and Towny
These also fit the front brake on 88-92 CG50 Jog, 83-85 CA50 Salient, and 80-84 SA50 Passola.
EBC 501
These may fit other models and years as well but you'd have to measure to be sure.